THE HUMBLE magnet may not seem to belong alongside steel, microchips and oil as a chess piece in the great diplomatic game. But on April 4th, as part of its retaliation against America’s tariffs, ...

If you want to buy an electric vehicle or another device with an electric motor, chances are that motor will contain a magnet made with rare-earth minerals. These are compounds like neodymium and ...

Flashes of femtosecond laser light, lasting just a few trillionths of a second, have made it possible to observe new magnetic ...